External enclosure



FIG. 1 is a perspective view of an external enclosure;

FIG. 2 is a front elevation thereof;

FIG. 3 is a rear elevation thereof;

FIG. 4 is a left side elevation thereof;

FIG. 5 is a right side elevation thereof;

FIG. 6 is a top plane view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing of the environment is for illustrative purpose only and forms no part of the claimed design. 

The ornamental design for an external enclosure, as shown and described. 